well wether they wear skirts/dresses or not is up to them there.. it was just society's view before that they wear those things... clothes aren't determined by technology really, so they can still wear jeans the the such, he put them in way older form of clothing to help with the training, sense more modern clothing could disrupt the flow with how their made.

I'm pretty much mainly trying to mix the two time lines of our modern with a fantasy medieval to form the current rp's modern.